Why is the sunscreen sticky after applying it? How long is the sunscreen effective after applying it?

Have you ever had this experience, that is, after applying sunscreen, your whole face feels sticky? I don't know why. Why does your face feel sticky after applying sunscreen? How long is the sunscreen effective after applying it?

You may have chosen a sunscreen that is not suitable for your skin type.

Sunscreen needs to choose products with different SPF or PA values ​​according to specific objects to achieve the purpose of sun protection. The working principle of sunscreen is to isolate the skin from ultraviolet rays.

The main difference between sunscreen lotion and sunscreen lies in their physical properties. Creams generally have a water content of about 60%, and look relatively "thick", and are paste-like; while emulsions have a water content of more than 70%, and look relatively thin and fluid.

Generally speaking, lotions are lighter than creams because they contain a higher water content, but formulators can still use different oily ingredients and thickeners to adjust the "greasiness" of the cream.

Oily skin needs to choose water-based sunscreen products with strong permeability, dry skin should choose cream-based sunscreen products, and people with neutral skin have a wider range of choices and can choose the texture of the sunscreen product according to their preferences. Lotion and spray products are basically suitable for all skin types.

Sunscreen will take effect after 20 minutes of application. If you are going to be in the sun soon, it will be a bit late to apply sunscreen temporarily. To strictly prevent sunburn, you should apply it 10 to 20 minutes in advance. After an hour, you can apply sunscreen again. There is no need to wash off the previous layer. If the quality is guaranteed and it will not cause too much damage to the skin, it is not a big problem to apply more layers

Yes. If you don’t use any other makeup after applying sunscreen, you can apply loose powder directly.

Sunscreen: Prevents sunburn, tanning, and even skin cancer.

Loose powder: sets makeup, controls oil, makes pores invisible, and some loose powders have slight concealing power.

If you only wear sunscreen, your face will be very oily at the end of the day; however, loose powder can control the oil and prevent you from looking greasy.

Acne may be caused by dehydrated skin or endocrine disorders, or it may be caused by oily face. Applying loose powder can control oil and refine pores.

If you don't wear makeup, then it's the last step after applying water, lotion, cream, etc. If you wear makeup, it's the first step before putting on makeup. In fact, many foundations, pressed powders, and honey powders now have sun protection indexes.